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  1. Reduce power issue at 4th gear (279F, 2788, 2796)

    E60 M5 and E61 M5 Touring Discussion
    Hay i am getting issue on my M5 E60 2005 Euro model. 1st to 3rd gear revved to 8000rpm fine. Then into fourth but reduced power pops up at about 7000rpm. When i use INPA to read codes i got these codes 279F 2788 2796 What i do please help me..